198 lines
3.6 KiB
Plaintext
198 lines
3.6 KiB
Plaintext
/*
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* Copyright (c) 2018 Philémon Jaermann
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <st/f4/stm32f446Xe.dtsi>
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#include <st/f4/stm32f446r(c-e)tx-pinctrl.dtsi>
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#include "arduino_r3_connector.dtsi"
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#include "st_morpho_connector.dtsi"
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "STMicroelectronics STM32F446RE-NUCLEO board";
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compatible = "st,stm32f446re-nucleo";
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chosen {
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zephyr,console = &usart2;
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zephyr,shell-uart = &usart2;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,canbus = &can2;
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};
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leds: leds {
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compatible = "gpio-leds";
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green_led_2: led_2 {
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gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
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label = "User LD2";
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};
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};
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pwmleds {
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compatible = "pwm-leds";
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green_pwm_led: green_pwm_led {
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pwms = <&pwm2 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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user_button: button {
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label = "User";
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gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
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zephyr,code = <INPUT_KEY_0>;
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};
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};
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aliases {
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led0 = &green_led_2;
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pwm-led0 = &green_pwm_led;
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sw0 = &user_button;
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};
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};
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&clk_lsi {
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status = "okay";
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};
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&clk_hse {
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hse-bypass;
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clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
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status = "okay";
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};
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&pll {
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div-m = <8>;
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mul-n = <384>;
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div-p = <4>;
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div-q = <8>;
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clocks = <&clk_hse>;
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status = "okay";
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};
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&rcc {
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clocks = <&pll>;
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clock-frequency = <DT_FREQ_M(96)>;
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ahb-prescaler = <1>;
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apb1-prescaler = <2>;
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apb2-prescaler = <1>;
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};
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&usart1 {
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pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "okay";
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};
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&usart2 {
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pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "okay";
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};
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&i2c1 {
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pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&i2c2 {
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pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb3>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&i2c3 {
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pinctrl-0 = <&i2c3_scl_pa8 &i2c3_sda_pb4>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&spi1 {
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pinctrl-0 = <&spi1_nss_pa4 &spi1_sck_pa5
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&spi1_miso_pa6 &spi1_mosi_pa7>;
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pinctrl-names = "default";
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status = "okay";
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};
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&timers2 {
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status = "okay";
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pwm2: pwm {
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status = "okay";
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pinctrl-0 = <&tim2_ch1_pa5>;
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pinctrl-names = "default";
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};
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};
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&rtc {
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clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
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<&rcc STM32_SRC_LSI RTC_SEL(2)>;
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status = "okay";
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};
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&backup_sram {
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status = "okay";
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};
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&can1 {
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/* CAUTION: PB8 and PB9 may conflict with same pins of I2C1 */
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pinctrl-0 = <&can1_rx_pb8 &can1_tx_pb9>;
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pinctrl-names = "default";
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bus-speed = <125000>;
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status = "okay";
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};
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&can2 {
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pinctrl-0 = <&can2_rx_pb12 &can2_tx_pb13>;
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pinctrl-names = "default";
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bus-speed = <125000>;
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status = "okay";
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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boot_partition: partition@0 {
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label = "mcuboot";
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reg = <0x00000000 DT_SIZE_K(64)>;
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read-only;
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};
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/*
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* The flash starting at 0x00010000 and ending at
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* 0x0001ffff (sectors 16-31) is reserved for use
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* by the application.
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*/
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storage_partition: partition@10000 {
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label = "storage";
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reg = <0x00010000 DT_SIZE_K(64)>;
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};
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slot0_partition: partition@20000 {
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label = "image-0";
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reg = <0x00020000 DT_SIZE_K(128)>;
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};
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slot1_partition: partition@40000 {
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label = "image-1";
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reg = <0x00040000 DT_SIZE_K(128)>;
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};
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scratch_partition: partition@60000 {
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label = "image-scratch";
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reg = <0x00060000 DT_SIZE_K(128)>;
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};
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};
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};
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